Mealey's (December 11, 2018, 7:31 PM EST) -- WASHINGTON, D.C. — The Patent Trial and Appeal Board erroneously removed a claim limitation when it declared 12 claims of a garage door opener patent obvious and anticipated by prior art, the patent owner recently told the Federal Circuit U.S. Court of Appeals (The Chamberlain Group Inc. v. One World Technologies Inc., No. 18-2111, Fed. Cir.)....